mtk android phone pattern or pin unlock done without data lose


1- Download dragon box crack from below
2 -Open dragon box crack .exe
3 -open mtk section and then make sure that box check button is unchecked
4- For android devise below 2.6 use clear cod to unlock the phone
5-For ics and above use write imei option and tick on android new option and click on write imei button and connect phone with power off then phone will restart to factory mode with adb debugging on now you can easily unlock the phone with adb commands

Download setup 
Download crack
copy the crack to setup folder